Finding the Circumference and Area of a Circle

What is the area of the circle in the image?

• 10

• 20π

• 100

• 100π

Tags

CCSS.7.G.B.4

What is the area of the circle in the image?

• 9π

• 12π

• 12

• 36π

Tags

CCSS.7.G.B.4

What is the circumference of the circle in the image?

• 6

• 6π

• 12π

• 36π

Tags

CCSS.7.G.B.4

A circle has an area of 36π. What is the circumference of the circle?

• 18π

• 12π

• 6π

• 36π

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know.

• 15π

• 20π

• 40π

• 30π

Tags

CCSS.7.G.B.4

What is the formula for finding the area of a circle?

• 
• 

Tags

CCSS.7.G.B.4

Find the approximate area of the circle in the image.

• 63.585 square inches

• 81 square inches

• 20.25 square inches

• 254.34 square inches

Tags

CCSS.7.G.B.4

Fill in the blank. The circumference of a circle is the ________.

• distance around it

• space inside it

A circle as a circumference of 36π meters. What is the radius of the circle?

• 36 meters

• 6 meters

• 12 meters

• 18 meters

Tags

CCSS.7.G.B.4

A rose garden is circular. The diameter of the garden is 18 feet. What is the area of the garden?

• 9π square feet

• 36π square feet

• 81π square feet

• 324π square feet

Tags

CCSS.7.G.B.4